* Brent crude oil up 1 pct on day and 3 pct on week * Copper up again following 3 pct rise in Jan * Gold edges higher following oil, industrial metals * Sugar at 2-week high, soy 6-week peak By Barani Krishnan NEW YORK, Feb 4 (Reuters) - Oil, copper and gold prices jumped on Friday as stocks on Wall Street hit five-year highs after U.S. jobs and manufacturing data pointed to an economy on the mend. Among crops, raw sugar hit a two-week high on short-covering and improvin